CL4000 is a medium duty electronic keyless lock offering many lock functions. The lock has full size lever handles which allow it to be used as the primary lock on doors where a knob operated lock would not be suitable. Supplied with 2-3/8 Backset latch (60mm) New Piezo Technology Over 500,000 operations from 4xAA cells PVD, weather resistant, low maintenance finish Connections for remote release by reception desk button Connections for release by alarm system Code free entry mechanically by key or electronically from keypad Allows up to 90 user codes 4, 5 or 6 digits long Allows 1 Single-Use code Tamper alarm and low battery warning CL4010-SS